ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Oct 26 00:02:57 2017 +0200| [f80224ed19a4c012549fd460d529c7c04e68cf21] | committer: Michael Niedermayer
avcodec/jpeglsdec: Check for end of bitstream in ls_decode_line() Fixes: 1773/clusterfuzz-testcase-minimized-4832523987189760 Fixes: Timeout Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f80224ed19a4c012549fd460d529c7c04e68cf21 --- libavcodec/jpeglsdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/jpeglsdec.c b/libavcodec/jpeglsdec.c index cb2f89a88c..5308b744df 100644 --- a/libavcodec/jpeglsdec.c +++ b/libavcodec/jpeglsdec.c @@ -233,6 +233,9 @@ static inline void ls_decode_line(JLSState *state, MJpegDecodeContext *s, while (x < w) { int err, pred; + if (get_bits_left(&s->gb) <= 0) + return; + /* compute gradients */ Ra = x ? R(dst, x - stride) : R(last, x); Rb = R(last, x); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
